ICD-10 Code F43.0: Acute Stress Reaction – Complete Coding & Billing Guide
What Does ICD-10 Code F43.0 Mean? ICD-10-CM code F43.0 designates acute stress reaction — a transient psychological disturbance arising directly from exposure to an exceptionally stressful event, with symptoms that develop within hours and resolve within days or, at most, one month. The code is valid and billable for fiscal year 2026 with no revisions […]
ICD-10 Code F06.7: Mild Neurocognitive Disorder Due to Known Physiological Condition – Complete Coding & Billing Guide
ICD-10-CM code F06.7 — Mild neurocognitive disorder due to known physiological condition — is a non-billable parent code that serves as the header for two billable child codes: F06.70 (without behavioral disturbance) and F06.71 (with behavioral disturbance). It classifies cognitive decline that is causally linked to an identified underlying medical condition, falls short of meeting […]
ICD-10 Code E72.20: Disorder of Urea Cycle Metabolism, Unspecified – Complete Coding & Billing Guide
What Does ICD-10 Code E72.20 Mean? ICD-10 code E72.20 — Disorder of urea cycle metabolism, unspecified — is a billable diagnosis code used when a patient has a confirmed urea cycle disorder (UCD) but the specific enzymatic defect cannot be identified from available documentation. It falls under category E72 (Other disorders of amino-acid metabolism) within […]
ICD-10 Code E66.812: Obesity, Class 2 – Complete Coding & Billing Guide
What Does ICD-10 Code E66.812 Mean? ICD-10-CM code E66.812 designates a diagnosis of Obesity, Class 2 — a clinically distinct severity classification for adult obesity based on body mass index (BMI). This code became effective October 1, 2024 (FY2025) as part of a significant expansion to the E66.8 subcategory, replacing the imprecise “Other obesity” umbrella […]
ICD-10 Code E43: Unspecified Severe Protein-Calorie Malnutrition – Complete Coding & Billing Guide
ICD-10 code E43 identifies unspecified severe protein-calorie malnutrition — a potentially life-threatening nutritional deficit where the provider has confirmed severity but has not documented a specific malnutrition subtype such as kwashiorkor or marasmus. This code is billable, valid for fiscal year 2026, and maps to MS-DRG 640 (with MCC) or 641 (without MCC) under ICD-10-CM […]
ICD-10 Code Category E21-: Hyperparathyroidism and Other Disorders of the Parathyroid Gland – Complete Coding & Billing Guide
What Is ICD-10 Category E21- and Why Does It Matter for Coders? ICD-10-CM category E21- covers Hyperparathyroidism and Other Disorders of the Parathyroid Gland — a group of endocrine conditions in which the parathyroid glands produce abnormal levels of parathyroid hormone (PTH), disrupting the body’s calcium-phosphorus balance. The category spans six distinct subcodes (E21.0–E21.5) that […]
ICD-10 Code E11.3313: Type 2 Diabetes with Moderate Nonproliferative Retinopathy & Bilateral Macular Edema – Complete Coding & Billing Guide
What Does ICD-10 Code E11.3313 Mean? ICD-10-CM code E11.3313 describes Type 2 diabetes mellitus with moderate nonproliferative diabetic retinopathy with macular edema, bilateral — meaning the patient has confirmed Type 2 diabetes that has caused moderate-stage retinal damage accompanied by macular swelling in both eyes. This is a billable, specific diagnosis code valid for HIPAA-covered […]
ICD-10 Code E10.40: Type 1 Diabetes Mellitus with Diabetic Neuropathy, Unspecified – Complete Coding & Billing Guide
What Does ICD-10 Code E10.40 Mean? ICD-10-CM code E10.40 designates Type 1 diabetes mellitus with diabetic neuropathy, unspecified — a billable, specific diagnosis code applicable when a patient with confirmed Type 1 diabetes has documented nerve damage (neuropathy), but the clinical record does not specify the type of neuropathy involved. The code is valid for […]
ICD-10 Code D86.0: Pulmonary Sarcoidosis – Complete Coding & Billing Guide
What Does ICD-10 Code D86.0 Mean? ICD-10 code D86.0 designates a diagnosis of pulmonary sarcoidosis — a systemic granulomatous disease in which non-caseating granulomas form specifically within the lung tissue. D86.0 is a valid, billable diagnosis code applicable in both inpatient and outpatient settings for fiscal year 2025. It falls under the broader sarcoidosis category […]
ICD-10 Code D49.6: Neoplasm of Unspecified Behavior of Brain – Complete Coding & Billing Guide
What Does ICD-10 Code D49.6 Mean? ICD-10 code D49.6 designates a neoplasm of unspecified behavior of the brain — a billable diagnosis code used when a brain neoplasm has been identified but the pathological behavior (malignant, benign, or in situ) cannot be definitively determined from available clinical or diagnostic documentation. This code lives within the […]